/*
 * Copyright 2014 alexpad@gmail.com.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package alexpad.util;

import java.util.*;

/**
 *
 * @author alexpad@gmail.com
 */
public class ArtistNameUtil {
	
	public static String[] getCombinations(String artist){
		List<String> result = new ArrayList<String>();
		
		String[] tokens = artist.split(" ");
		if(tokens.length==1){
			result.add(tokens[0]);
		}
		else if(tokens.length==2){
			result.add(tokens[0] + " " + tokens[1]);
			result.add(tokens[1] + " " + tokens[0]);
		}
		else if(tokens.length==3){
			result.add(tokens[0] + " " + tokens[1] + " " + tokens[2]);
			result.add(tokens[1] + " " + tokens[2] + " " + tokens[0]);
			result.add(tokens[2] + " " + tokens[0] + " " + tokens[1]);
			result.add(tokens[0] + " " + tokens[2] + " " + tokens[1]);
			result.add(tokens[1] + " " + tokens[0] + " " + tokens[2]);
			result.add(tokens[2] + " " + tokens[1] + " " + tokens[0]);
		}
		else {
			result.add(artist);
		}
		return result.toArray(new String[result.size()]);
	}
	
}
